Discover the benefits to co-authoring documents in your organization and learn about versioning, checkin/checkout, and mixed Office environments.

When you're done adding members, select Add and then Close. Create a channel By default, every team gets a General channel, which is a good channel to use for announcements and information the whole team needs. To add more: Select More options next to the team name. Select Add channel. Enter a name and description for your channel. You can build a channel around a topic, project, department ...

Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Note: Microsoft Project for the web will soon become Microsoft Planner. You can continue using most of the Project for the web capabilities in the new Planner once it's rolled out to your organization. Learn more about the new Planner in Frequently asked questions about Planner and Planner help & learning.

Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page. In the File Download dialog box, click Run or Open, and then follow the steps in the Windows Security Troubleshooter.

简介 关于此 .NET Framework 4.8 Microsoft .NET Framework 4.8 是对 Microsoft .NET Framework 4、4.5、4.5.1、4.5.2、4.6、4.6.1、4.6.2、4.7、4.7.1 和 4.7.2 的高度兼容的就地更新。 脱机程序包可用于因无法连接 Internet 而导致 Web 安装程序无法使用的情况。 此包比 Web 安装程序大，并且不包括语言包。 我们建议您使用 Web 安装 ...

Learn how to connect to a Wi-fi network in Windows and manage your current network connections.

注意: Microsoft Authenticator 不适用于电脑或 Mac，因为出于安全原因，验证器应用通常用于智能手机。 了解详细信息。 Microsoft不再支持超过一年的 Authenticator 版本。 始终使设备保持最新状态。 从 2025 年 7 月开始，Authenticator 中的自动填充功能将停止工作，并且从 2025 年 8 月起，密码将不再可在 ...

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